CWNP CWAP-405 Exam | CWAP-405再テスト -オフィシャルパス認証CWAP-405試験対策

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CWAP-405試験には多くの利点があり、CWNP購入する価値があります。購入前にCWAP-405ガイドの質問デモをダウンロードして試用し、支払いが完了したらすぐに使用できます。支払いが完了したら、5〜10分以内に送信します。その後、あなたはそれを学び、実践することができます。Certified Wireless Analysis Professional試験に合格するための最新のCWAP-405試験問題があることを確認するために、CWAP-405トレント質問を頻繁に更新します。 CWAP-405試験に合格すると、大企業に入社して賃金を2倍にすることができます。

CWNP CWAP-405 Exam Syllabus Topics:

Section	Objectives
Wireless Troubleshooting and Performance Analysis	- Common WLAN Failure Scenarios - Identifying WLAN Performance Issues - Throughput and Latency Analysis
RF and PHY Layer Analysis	- RF Propagation and Signal Behavior - 802.11 PHY Standards Overview - Channelization and Spectrum Usage
WLAN Protocol Analysis	- MAC Layer Operations and Behaviors - Frame Types and Exchanges (Management, Control, Data) - 802.11 Frame Structure and Fields
Spectrum Analysis and Tools	- Wireshark and Packet Capture Analysis - Interference Identification (Wi-Fi and Non-Wi-Fi) - Spectrum Analyzer Usage

>> CWAP-405再テスト <<

CWNP CWAP-405再テスト: Certified Wireless Analysis Professional - ShikenPASS リーディングプランフォーム10の一つ

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CWNP Certified Wireless Analysis Professional 認定 CWAP-405 試験問題 (Q119-Q124):

質問 # 119
As a WLAN consultant, you have been asked to troubleshoot a problem with a single wireless client station (Station-Z). Your customer informs you that other wireless client stations are not having problems with wireless connectivity, and that Station-Z is configured in the same manner as all other wireless client stations on the network. Station-Z is showing an unusually high retransmission count in its client utility statistics. Using a wireless protocol analyzer, where and how should you begin troubleshooting this problem? (Choose 2)

A. Position the analyzer halfway between Station-Z and the access point. Analyze the data rate at which frames are sent and how long they take to be received.
B. Position the analyzer near the access point. See if Station-Z's frames are reaching the access point and if so, analyze their signal strength.
C. Position the analyzer halfway between Station-Z and the access point. Measure the distance between Station-Z and the access point.
D. Position the analyzer near Station-Z. Analyze the frames Station-Z is receiving, looking for delayed ACK frames.
E. Position the analyzer near Station-Z. Analyze Station-Z's transmissions and acknowledgements.
Look for RF and obstacle-induced interference.

正解：B、E

質問 # 120
According to the 802.11n-2009 amendment, what security requirement is specified for HT BSSs?

A. HT BSSs must mandatorily support 802.11r FT.
B. All unicast traffic transmitted by an HT station and destined to an HT station must use AES- CCMP.
C. HT BSSs are prevented from supporting WEP.
D. TKIP cannot be supported in an HT BSS.
E. In an RSN, HT stations may not communicate with one another using TKIP.

正解：E

質問 # 121
As a wireless network consultant you have been called in to troubleshoot a high-priority issue for one of your customers. The customer's office is based on two floors within a multi-tenant office block. On one of these floors (floor 5) users cannot connect to the wireless network. During their own testing the customer has discovered that users can connect on floor 6 but not when they move to the floor 5. This issue is affecting all users on floor 5 and having a negative effect on productivity.
To troubleshoot this issue, you perform both Spectrum and Protocol Analysis. The Spectrum Analysis shows the presence of Bluetooth signals which you have identified as coming from wireless mice. In the protocol analyzer you see the top frame on the network is Deauthentication frames. On closer investigation you see that the Deauthentication frames' source addresses match the BSSIDs of your customers APs and the destination address is FF:FF:FF:FF:FF:FF:FF.
What do you conclude from this troubleshooting exercise?

A. The users on floor 5 are being subjected to a denial of service attack, as this is happening across the entire floor it is likely to be a misconfigured WIPS solution belonging to the tenants on the floor below
B. The customer should replace all their Bluetooth wireless mice as they are stopping the users on floor 5 from connecting to the wireless network
C. The CCI from the APs on the floor 4 is the problem and you need to ask the tenant below to turn down their APs Tx power
D. The customers APs are misbehaving and a technical support case should be open with the vendor

正解：A

解説：
The users on floor 5 are being subjected to a denial of service attack, as this is happening across the entire floor it is likely to be a misconfigured WIPS solution belonging to the tenants on the floor below. This is because the Deauthentication frames have a source address that matches the BSSIDs of the customer's APs and a destination address that is a broadcast address (FF:FF:FF:FF:FF:FF). This indicates that someone is sending spoofed Deauthentication frames to all STAs associated with the customer's APs, causing them to disconnect from the wireless network. This is a common type of DoS attack on wireless networks, and it could be caused by a rogue device or a WIPS solution that is configured to protect the wireless network of another tenant on the floor below12. References: CWAP-405Certified Wireless Analysis Professional Study and Reference Guide, Chapter 13: Troubleshooting Common Wi-Fi Issues, page 4961; CWAP-405Certified Wireless Analysis Professional Study and Reference Guide, Chapter 14: Troubleshooting Tools, page 5272.

質問 # 122
In what scenario is Open Authentication without encryption not allowed based on the 802.11 standard?

A. When operating a BSS in FIPS mode
B. When operating a BSS in the 6 GHz band
C. When operating a BS5 in the CBRS band
D. When operating a BSS in a government facility

正解：B

解説：
Open Authentication without encryption is not allowed when operating a BSS in the 6 GHz band, according to the 802.11 standard. Open Authentication is a type of authentication method that does not require any credentials or security information from a STA (station) to join a BSS (Basic Service Set). Open Authentication can be used with or without encryption, depending on the configuration of the BSS and the STA. Encryption is a technique that scrambles the data frames using an algorithm and a key to prevent unauthorized access or eavesdropping. However, in the 6 GHz band, which is a newly available frequency band for WLANs, Open Authentication without encryption is prohibited by the 802.11 standard, as it poses security and interference risks for other users and services in the band. The 6 GHz band requires all WLANs to use WPA3-Personal or WPA3-Enterprise encryption methods, which are more secure and robust than previous encryption methods such as WPA2 or WEP. The other options are not correct, as they do not describe scenarios where Open Authentication without encryption is not allowed by the 802.11 standard.
When operating a BSS in the CBRS band, which is another newly available frequency band for WLANs, Open Authentication without encryption is allowed, but not recommended, as it also poses security and interference risks for other users and services in the band. When operating a BSS in FIPS mode, which is a mode that complies with the Federal Information Processing Standards for cryptographic security, Open Authentication without encryption is allowed, but not compliant, as it does not meet the FIPS requirements for encryption algorithms and keys. When operating a BSS in a government facility, Open Authentication without encryption is allowed, but not advisable, as it may violate the government policies or regulations for wireless security. References: [Wireless Analysis Professional Study Guide CWAP-405], Chapter 8: Security Analysis, page 220-221

質問 # 123
Given a protocol analyzer can decrypt WPA2-PSK data packets providing the PSK and SSID are configured in the analyzer software.
When performing packet capture (in a non-FT environment) which frames are required in order for PSK frame decryption to be possible?

A. Authentication
B. 4-Way Handshake
C. Reassociation
D. Probe Response

正解：B

解説：
To decrypt WPA2-PSK data frames, the analyzer must capture the complete 4-Way Handshake because it contains the nonces and keying material used to derive the Pairwise Transient Key.
The PSK and SSID alone are insufficient; the handshake exchange is required to compute the encryption keys that protect subsequent data frames.

質問 # 124
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